8899 results about "Test fixture" patented technology

A body fluid testing device includes a body member and a tissue penetrator carried by the body member. A test strip holder is carried by the body member, and a test strip is carried by the test strip holder. The test strip is capable of receiving a body fluid thereon and processing the body fluid into a form suitable for yielding test results relating to the content of the body fluid.

A test apparatus having a base which performs a plurality of tests for different analytes in body fluids. A portable tester, such as a glucose meter, is detachably mounted to the base and provides a convenient and ergonomic hand-held instrument which a diabetic may carry to frequently monitor blood glucose levels. When mounted or docked to the base, the portable tester is data linked to the base. The invention provides a communications network among the base, the portable tester and another device such as a PC. The portable tester can therefore be kept small and inexpensive since advanced computing and data storage capabilities are provided in the base or a PC.

A thermographic test method locally resolves detection and identification of defects near the surface in a test object. A surface area of the test object is heated up. A series of thermographic images following one after another at a time interval is recorded within a heat propagation phase, each image representing a local temperature distribution in a surface region of the test object recorded by the image. Positionally correctly assigned temperature profiles are determined from the images, each positionally correctly assigned temperature profile being assigned to the same measuring region of the test object surface. Variations over time of temperature values are determined from the temperature profiles for a large number of measuring positions of the measuring region. These variations are evaluated on the basis of at least one evaluation criterion indicative of the heat flow in the measuring region.

The invention provides a substantially moisture-proof, air-tight apparatus for both dispensing a plurality of diagnostic test strips and testing a biological fluid dispensed onto the strip. One strip may be advanced for use in testing using a single, translational movement.

An analyte detection system is provided with calibration information uniquely specific to the set of test strips to which the sample is to be applied. The calibration information may be stored in permanent memory of the testing device, such that the device is discarded after use of all the test strips in a kit, or it may be stored in a calibration chip accompanying the set of test strips and distributed therewith, thereby enabling re-use of the testing device with a different set of test strips and associated calibration chip.

A device for sampling body fluid, the device comprising, a main body, a lancet disposed within the main body, a carrier disposed within the main body fixedly attached to the lancet, a spring in communication with the lancet and the carrier, an annular space disposed within the main body adjacent the lancet, and a testing device for measuring a body fluid. The testing device may include micro-porous test strips, an electronic testing device, an optical / reflectance testing measuring device, or a visual inspection.

A high-precision, multi-port compatible, relative correction method and apparatus for correcting measurement errors covering an increase in the number of ports of a non-coaxial electronic component, in which a relative correction adapter 31 is provided that is formed of a two-port network connected to each port of a production test fixture 5B adjacent to a measurement apparatus. The relative correction adapter has a characteristic that modifies the electrical characteristics generated by the production test fixture 5B having an electronic component under test mounted thereon into electrical characteristics generated by a standard test fixture 5A having the electronic component under test mounted thereon. An error factor of the relative correction adapter 31 is identified from a standard test fixture measurement value and a production test fixture measurement value of a correction data acquisition specimen 11B. A production test fixture measurement value of the electronic component under test 11A is corrected with the error factor of the relative correction adapter 31 to thereby obtain the standard test fixture measurement value of the electronic component under test 11A which is assumed to be obtained when the electronic component under test 11A.

A method and apparatus of diagnosing a cardiac disease state in as little as two minutes involving the utilization of an evanescent wave assay system in conjunction with a data acquisition and analysis procedure that monitors the precision of assay results in real time (i.e., while data is being acquired). The method includes diagnosing a disease state using a diagnostic procedure (e.g., an immunoassay) wherein the testing device informs the person conducting the test of the results of the test as soon as reliable test data is obtained (generally, <5% variation in the reaction rate of the assay). After which point, the diagnostic procedure may be terminated.

Cartridge for a testing device and method of testing using the testing device with the cartridge. The cartridge includes a plurality of lancet needles and a mechanism allowing the cartridge to be mounted to the testing device. The method provides for puncturing a surface of skin using the testing device by arranging the testing device adjacent against a user's skin, triggering the testing device so that one of the plurality of lancet needles is caused to penetrate the user's skin, and rotating the cartridge to another position. This Abstract is not intended to define the invention disclosed in the specification, nor intended to limit the scope of the invention in any way.

Apparatus is provided for calibrating a probe having a position sensor and an ultrasonic transducer. The apparatus includes a test fixture, which includes an ultrasonic target disposed therein at a known position. A computer is adapted to receive a position signal generated by the position sensor while the transducer is in alignment with the ultrasonic target, determine an orientation of the probe in a frame of reference of the test fixture, and determine calibration data for the probe responsive to the orientation of the probe.

A test apparatus and method for design verification of at least one microprocessor chip includes a compatible Joint Task Action Group (JTAG) terminal for access to a plurality of computer functional units contained in the chip. A test input terminal included in the JTAG terminal receives a scan string, the string being coupled to each computer functional unit through a first multiplexer. The scan input string is separated by the JTAG terminal under program control into a series of dedicated scan strings, each dedicated scan string being supplied to a selected functional unit through the first multiplexer. Each functional unit includes start and stop scan clocks for testing the functional under program control using the dedicated scan train for the functional unit. A test output terminal included in the JTAG terminal is coupled to each functional unit through a second multiplexer. The test results of the dedicated scan string under control of the scan clock are supplied to the output terminal through the second multiplexer. The compatible JTAG terminal includes further elements for controlling the scan clocks to select a targeted functional unit for testing purposes while the scan strings for non-targeted functional units remain in an inactive state.

A test system comprises a sensor container and a testing device. The sensor container has a base and a lid. The container encloses test sensors therein. The container includes a calibration label attached thereto. The label includes electrical contacts located thereon. The electrical contacts encode calibration information onto the calibration label. The testing device has an auto-calibration feature externally located thereon. The testing device is adapted to determine the analyte concentration in a fluid sample. The auto-calibration feature includes calibration elements that communicate with the electrical contacts on the calibration label. The testing device is adapted to determine the calibration information encoded on the calibration label in response to the calibration elements engaging the electrical contacts. The encoded calibration information is determined without inserting the sensor container or the calibration label into the testing device.

A test system comprises a sensor container and a testing device. The sensor container has a base and a lid. The container encloses a plurality of test sensors therein. The container includes a calibration label attached thereto. The label includes electrical contacts located thereon that encode calibration information onto the calibration label. The testing device has a sensor-container opening formed thereon. The sensor-container opening has an auto-calibration feature located therein. The auto-calibration feature is external to the testing device. The auto-calibration feature includes calibration elements to communicate with the electrical contacts on the calibration label. The testing device determines the calibration information encoded on the calibration label in response to the calibration elements engaging the electrical contacts. A portion of the sensor container remains external to the meter while the encoded calibration information is being determined.

Diagnostic products having multiple test strips within a unitary diagnostic test device, or test icon, are described herein. In the preferred embodiments of the diagnostic test device of this invention, a fluid sample distribution system is provided wherein a sample collection and distribution port is provided in the housing for receipt of a biologic fluid sample and the channeling of such sample onto a sample receiving web. The sample receiving web, which is located within the test device, is in fluid communication with an array of test strips, and is configured to deliver an aliquot of biologic fluid sample to the test site of each such test strip at essentially the same rate. In the preferred embodiments of this invention, the sample receiving web comprises at least one base segment and at least one branched segment. Each of the base and branched segments can be formed or cut from a common sheet of material or from separate sheet material and thereafter placed in contiguous relationship one another. The relative placement of the sample receiving web within the test device is coincident with a portion of each test strip and designed to effect the balanced distribution and delivery of an aliquot of the biologic fluid sample to the test site of each of the test strips within the test device.

Disclosed are various preferred embodiments for dynamic transfer of information from a test sensor to an analyte medical test device. Exemplary embodiments include various containers, systems and methods.

We introduce a new Periodic micro coaxial transmission line (PMTL) that is capable of sustaining a TEM propagation mode up to THz band. The PMTL can be manufactured using the current photolithographic processes. This transmission line can be embedded in microscopic layers that allow many new applications. We use the PMTL to develop a wideband highly scalable connector that is then used in a Probe that can be used for connecting to microscopic scale Integrated Circuits with picoseconds High Speed Digital and near THz Analogue performance in various stages of development from R&D to production testing. These probes, in one embodiment, provide a thin pen-like vertical probe tip that matches the die pad pattern precisely that can be as agile as a high speed plotter pen, connecting on the fly to any die pattern on a wafer. This approach allows the most valuable part of the test, namely the wafer to remain stationary and safe, and the least costly part of the test, namely the probe to take most of the wear and tear. We further use the embedded PMTL to develop a modular, scaleable and fully automated Universal Test Fixture for testing chips in various stages of development mainly for digital IC chips that can be utilized in production lines with pick and place of chips on tape to test every chip before insertion into circuits. One embodiment includes a low profile wideband Signal Launcher and an alligator type RF Clip that can be used at the edge of PCB's directly for validation broads. The Signal Launcher is used to develop a new versatile Flush Top Test Fixtures for individual device testing in various stages of development from die, to packaged, to Module, to Circuit Boards. The PMTL can also provide Confined Field Interconnects (CFI) between various elements on semiconductor wafers to reduce parasitic and radiation losses and practically eliminating cross talk, thus, increasing the speed of digital IC's. The PMTL is also used to develop a Universal Test Socket, and a Hand Probe with performance up to 220 GHz.

Disclosed is an integrated circuit chip test apparatus that has a module test fixture having contact pads that are adapted to make contact with signal input / output pins on an integrated circuit chip being tested. An intermediate banking box is connected to the module text fixture and a tester is connected to the intermediate banking box. The tester includes at least one bank of channels there are more pins on the integrated circuit chip than there are channels in the tester. The intermediate banking box includes switches that are connected between the contact pads and the channels. The switches are adapted to selectively connect a subset of the contact pads to the channels to connect the tester to a subset of pins, thereby allowing the tester to test a portion of the integrated circuit that corresponds to the subset of pins.

The invention relates to an automatic vehicle-mounted electronic control unit CAN bus communication testing device. A testing host of the device controls a programmable power supply to output different amplitudes of voltages according to working requirements of an ECU; physical layer testing signals of a CAN bus are output to a network oscilloscope to be displayed, and physical layer testing data are transmitted to the testing host through the network oscilloscope; ECU testing data are transmitted to the testing host through a bus data acquisition device; the testing host records, analyzes and evaluates the testing data of the ECU and the CAN bus to generate a test report. A bus interferometer is used for interfering with bus waveforms of the tested ECU in real time. The testing host controls on-off states of relays of a bus testing board card through a testing control card board to execute the bus fault injection operation. By means of the automatic vehicle-mounted electronic control unit CAN bus communication testing device, various defects of a manual test are overcome, unnecessary repeated labor of a vehicle-mounted network engineer is reduced, and the testing result is accurate.

The automatic calibration of a sensor panel is disclosed by varying the amplitude of an input stimulus Vstim to simulate a full-touch condition and calibrating each pixel of the sensor panel in accordance with the difference between the simulated full-touch condition and a baseline full-touch condition. To accomplish this, a baseline full scale output FS_targ_cal can be measured at during pre-delivery calibration for each pixel using a test fixture capable of applying a no-touch to full-touch condition given a nominal Vstim. A full-touch condition can then be emulated for each pixel by lowering Vstim until the current full scale output FS_targ_current equals FS_targ_cal, and determining the Vstim value Vstim_cal at that point. During field calibration, Vstim_cal can be applied to each pixel to simulate a full-touch condition, and FS_targ_current can be obtained and compared against FS_targ_cal. Each analog channel can then be tuned so that in subsequent full-touch conditions, FS_targ_current will approximately equal FS_targ_cal.

A testing device for the identification of an analyte of interest in a sample, comprises a housing having an internal recess (14); a sample collection device (19) and at least one insertable testing element (20); the housing being adapted to receive the sample collection device in the internal recess therein and to shield a sample collected on the sample collection device, the housing also being adapted to receive the or each insertable testing element such that, on insertion of the testing element into the housing, the testing element is in liquid conductive communication with a sample collected on the sample collection device.

The invention relates to a load stimulation device of a servo system and a performance testing device of the servo system and belongs to the field of detection technology and automation technology. The devices integrate three modes of inertia loading, servo motor loading and spring loading, can realize independent loading of three loading modes, two combination loading or simultaneous loading, and can stimulate various loading conditions, such as inertia load, elastic loading, unbalanced load, impact load, time change load and the combination of various loads. Acquired signals of a tested servo system, a torsion rotational speed sensor and an angle sensor are sent to a computer for processing so as to realize the static and dynamic performance test under different loading conditions.

The invention provides a method and a device for testing an application program interface. The method comprises the following steps: the testing device receives the parameter information of an application program by a human-computer interface; the testing device packs the parameter information into interface testing data conforming to a communication mode between the application program interface and the testing device according to the communication mode and transmits the interface testing data to a server in which the application program is arranged; the server receives the interface testing data by the application program interface and carries out calculation processing according to the parameter information; the server transmits a processing result to the testing device; and the testing device receives and displays the processing result by the human-computer interface. By using the method and the device provided by the embodiment of the invention, simple configuration is carried out in a browser to test different interfaces, and favorable test correctness can be achieved.

The invention provides a test system and a test method. The testing system comprises a test fixture, a test device and a differential tunable matching network, wherein the test fixture is provided with a bearing structure for loading a chip to be tested and a test port electrically connected to the chip to be tested; the test device comprises a radio frequency signal source, a receiving unit and a processing and display unit; the radio frequency signal source is provided with at least one radio frequency test port; the receiving unit is used for at least receiving a reflected signal and a transmitted signal which are generated after a radio frequency signal passes through the chip to be tested; the processing and display unit is used for processing the received radio frequency signal and displaying the processed signal; and the differential tunable matching network is provided with an input port and a differential output port and is used for tuning the impedance of a load end including the chip to be tested to make the impedance of the load end matched with the internal resistance of the test device and providing the test device to measure the characteristic of the chip to be detected in the test fixture. Compared with the prior art, the invention has the advantages that: the differential tunable matching network is provided for realizing impedance matching, the test system and the test method are easy and convenient to operate, and a more accurate test result can be acquired.

The invention relates to a fatigue testing device of a button switch, comprising a worktable (1) and a bracket (2) fixed on the worktable (1). A holding device for placing the button switch to be tested is arranged on the worktable (1), a cylinder (9) is arranged above the holding device, and the lower end of a piston of the cylinder (9) is connected with a pressing pole (10) for pressing the key of the button switch to be tested. The testing device also comprises a control device which is connected with the cylinder (9), used for controlling the cylinder (9) and setting testing parameters. The fatigue testing device of the button switch has the advantages that the button switch is automatically pressed by utilizing the cylinder, wherein the pressing force and the pressing frequency are kept highly consistent, and the pressing force, the pressing time interval and the pressing times all can be adjusted and set, thereby the invention has the advantages of very convenient use, good testing effect and high efficiency.

The invention relates to the field of test of mechanical properties of materials and in particular relates to a thermo-mechanical-environmental coupling effect testing device and application from room temperature to ultrahigh temperature. The device comprises an electronic universal testing machine, a loading control system, a power supply control system, an induction heater, a strain measurement system, a sample clamp, a temperature measuring system, a pressure control system, a display and analysis system and a vacuum system, wherein a vacuum cavity in the electronic universal testing machine is in a fully water-cooled design, and various functional windows, such as a sensor connector of the clamp and the electronic universal testing machine, an infrared or thermocouple temperature measuring opening of the temperature measuring system, a pressure control opening of the pressure control system, an induction power supply introduction opening of the power supply control system, an extensometer introduction opening of the strain measurement system and a connector of the vacuum system and the vacuum cavity, are reserved in different parts of the vacuum cavity. The device disclosed by the invention can quantitatively research the thermo-mechanical-environmental coupling effect and has the advantages of diversified tested mechanical property parameters, high sample heating and cooling speed and the like.

A memory daughter card (MDC) is described, having a very high-speed serial interface and an on-card MDC test engine that allows one MDC to be directly connected to another MDC for testing purposes. In some embodiments, a control interface allows the test engine to be programmed and controlled by a test controller on a test fixture that allows simultaneous testing of a single MDC or one or more pairs of MDCs, one MDC in a pair (e.g., the “golden” MDC) testing the other MDC of that pair. Other methods are also described, wherein one MDC executes a series of reads and writes and other commands to another MDC to test at least some of the other card's functions, or wherein one port executes a series of test commands to another port on the same MDC to test at least some of the card's functions.

A learning method for acquiring a bounding box corresponding to an object in a training image from multi-scaled feature maps by using a CNN is provided. The learning method includes steps of: (a) allowing an N-way RPN to acquire at least two specific feature maps and allowing the N-way RPN to apply certain operations to the at least two specific feature maps; (b) allowing an N-way pooling layer to generate multiple pooled feature maps by applying pooling operations to respective areas on the at least two specific feature maps; and (c) (i) allowing a FC layer to acquire information on pixel data of the bounding box, and (ii) allowing a loss layer to acquire first comparative data, thereby adjusting at least one of parameters of the CNN by using the first comparative data during a backpropagation process.